MFM8516 - 70/90/12/15
ISSUE 4.7 : NOVEMBER 1998
Write/Erase/Program
Parameter
Symbol
70
90
min
typ
max
min
typ
max
unit
Write Cycle time (2)
Address Setup time
Address Hold time
Data Setup Time
tWC
tAS
70
0
-
-
-
90
0
-
-
-
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
µs
sec
sec
µs
-
-
tAH
45
30
0
-
-
45
45
0
-
-
tDS
-
-
-
-
Data hold Time
tDH
-
-
-
-
Output Enable Setup Time
Read Recover before Write
CS setup time
tOES
tGHWL
tCE
0
-
-
0
-
-
0
-
-
0
-
-
0
-
-
0
-
-
CS hold time
tCH
0
-
-
0
-
-
WE Pulse Width
tWP
35
20
-
-
-
-
45
20
-
-
-
-
WE Pulse Width High
Byte Programming operation
Sector Erase operation (1)
Chip Erase operation (1)
Vcc setup time (2)
tWPH
tWHWH1
tWHWH2
tWHWH3
tVCS
-
-
16
2
14
-
-
16
2
14
-
-
-
30
120
-
-
30
120
-
-
-
50
50
Parameter
Symbol
120
typ
150
typ
min
max
min
max
unit
Write Cycle time (2)
Address Setup time
Address Hold time
Data Setup Time
tWC
tAS
120
0
-
-
-
150
0
-
-
-
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
µs
sec
sec
µs
-
-
tAH
50
50
0
-
-
50
50
0
-
-
tDS
-
-
-
-
Data hold Time
tDH
-
-
-
-
Output Enable Setup Time
Read Recover before Write
CS setup time
tOES
tGHWL
tCE
0
-
-
0
-
-
0
-
-
0
-
-
0
-
-
0
-
-
CS hold time
tCH
0
-
-
0
-
-
WE Pulse Width
tWP
50
20
-
-
-
-
50
20
-
-
-
-
WE Pulse Width High
Byte Programming operation
Sector Erase operation (1)
Chip Erase operation (1)
Vcc setup time (2)
tWPH
tWHWH1
tWHWH2
tWHWH3
tVCS
-
-
16
2
14
-
-
16
2
14
-
-
-
30
120
-
-
30
120
-
-
-
50
50
Notes: (1) This does not include the preprogramming time.
(2) Not 100% tested.
5